Finding the Fourth Proportional to 188,628.18, 260,414.52 and 125,052.08
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Solution
The fourth proportional to 188,628.18, 260,414.52 and 125,052.08 is: 172,643.23
Step by Step Solution
- Step 1: Write the proportion equation
188,628.18 : 260,414.52 = 125,052.08 : x - Step 2: Convert to fraction form
188,628.18/260,414.52 = 125,052.08/x - Step 3: Cross multiply
188,628.18x = 260,414.52 × 125,052.08 - Step 4: Simplify right side
188,628.18x = 32,565,377,388.20 - Step 5: Solve for x
x = 32,565,377,388.20/188,628.18 - Step 6: Final answer
x = 172,643.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.